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Jan Koum

Ukrainian-born American entrepreneur, co-founder of WhatsApp
Person human Q15737800
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Summary

Jan Koum's place of birth was Kyiv[1]. He was born on February 24, 1976[2]. He worked as an engineer[3], computer scientist[4], and programmer[5].

Key Facts

  • Country of citizenship: United States[6], Ukraine[7]
  • Educated at: San Jose State University[8]
  • Sex or gender: male[9]
  • Residence: United States[10]
  • Family name: Koum[11]
  • Given name: Jan[12]
  • Languages spoken, written or signed: Ukrainian[13]
  • Name in native language: Ян Кум[14]

FAQs

Where was Jan Koum born?

Jan Koum was born in Kyiv[1].

What did Jan Koum do for work?

Jan Koum worked as engineer[3], computer scientist[4], and programmer[5].

Where did Jan Koum go to school?

Jan Koum was educated at San Jose State University[8].

Related Entities

computer scientist programmer software engineer Ukraine United States

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [9] ↑ . wikidata.org.
  3. [6] ↑ . wikidata.org.
  4. [7] ↑ . wikidata.org.
  5. [8] ↑ . wikidata.org.
  6. [3] ↑ . wikidata.org.
  7. [4] ↑ . wikidata.org.
  8. [5] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [2] ↑ . Munzinger Personen. Retrieved . wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [12] ↑ . wikidata.org.
  13. [13] ↑ . wikidata.org.
  14. [14] ↑ . wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Jan Koum. Retrieved October 29, 2026, from https://4ort.xyz/entity/jan-koum
MLA “Jan Koum.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/jan-koum.
BibTeX @misc{4ortxyz_jan-koum_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Jan Koum}}, year = {2026}, url = {https://4ort.xyz/entity/jan-koum}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Jan Koum — https://4ort.xyz/entity/jan-koum (retrieved 2026-10-29)

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